Ohaus AquaSearcher AP50MM Portable Photometer
The Ohaus AquaSearcher AP50MM is a multi-function portable photometer for fast, reliable colorimetric and turbidity measurements. A real-time dynamic display shows each reading, and built-in calibration curves automatically select the right wavelength from the long-lasting LED light source. Store your common tests for quick field use and record up to 30,000 data points with time and date. The -F field kit comes in a hard-shell carrying case with everything needed to test in the field.
Key Features
- Colorimetric (0 – 1.0 Abs) and turbidity (0 – 200 NTU) measurement
- Built-in calibration curves with automatic wavelength selection
- Stores up to 30,000 data points with time and date
- Backlit graphical LCD, 160 × 240 pixels
- Rugged single-handed design with auto-off
- Runs on 4 AA batteries
Specifications
| Specifications |
Detail |
| Measurement Range |
0 – 200 NTU; 0 – 1.0 Abs |
| Accuracy |
±0.1 nm; ±0.005 Abs at 1.0 Abs nominal |
| Resolution |
0.1 |
| Display |
Backlit graphical LCD, 160 × 240 pixels |
| Construction |
ABS housing |
| Power |
4 AA (LR6) batteries (included) |
Model Selection
| Model |
Version |
Ohaus Item No. |
| a-AP50MM-F |
Field kit with hard-shell carrying case and accessories |
30853393 |
| a-AP50MM-B |
Instrument only |
30853394 |
Who It's For
Built for water and wastewater operators, environmental teams and field technicians running colorimetric and turbidity tests on site.
Items Included
- Ohaus AP50MM photometer
- 4 AA batteries
- Hard-shell carrying case with field accessories (a-AP50MM-F only)
Optional Accessories
- COD Adapter a-AP50MM (30853488)
- Briefcase AquaSearcher (30744416)
- 24 mm replacement vials, 10 mL, pk/6 (30853486)
- 24 mm replacement vials, 25 mL, pk/6 (30853487)
- Cleaning brush pk/5 (30727772)
- Cloth pk/4 (30727773)
- Cylinder 5 mL pk/2 (30727776)
Ohaus AquaSearcher AP50MM Portable Photometer Datasheet